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Finding the Fourth Proportional to 55,200.87, 82,804.01 and 15,763.86

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Solution

The fourth proportional to 55,200.87, 82,804.01 and 15,763.86 is: 23,646.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,200.87 : 82,804.01 = 15,763.86 : x
  2. Step 2: Convert to fraction form
    55,200.87/82,804.01 = 15,763.86/x
  3. Step 3: Cross multiply
    55,200.87x = 82,804.01 × 15,763.86
  4. Step 4: Simplify right side
    55,200.87x = 1,305,310,742.26
  5. Step 5: Solve for x
    x = 1,305,310,742.26/55,200.87
  6. Step 6: Final answer
    x = 23,646.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.